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Ipc_gullwing_generator.py 20-Lead Plastic Quad Flat, No Lead Package (MD) - 4x4x0.9 mm Body [QFN] with thermal vias; see section 7.3 of http://www.st.com/resource/en/datasheet/stm32f042k6.pdf WLCSP-36, 6x6 raster, 2.61x2.88mm package, pitch 0.5mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l152zc.pdf UFBGA 132 Pins, 0.5mm Pitch, http://www.ti.com/lit/ds/symlink/ts3a24159.pdf Texas Instruments, BGA Microstar Junior, 2x2.5mm, 12 bump 3x4 (perimeter) array, NSMD pad definition Appendix A Artix-7 BGA, 22x22 grid, 23x23mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=306, NSMD pad definition (http://www.ti.com/lit/ds/symlink/txb0102.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments LM25119 http://www.ti.com/lit/ds/symlink/lm25119.pdf WQFN, 42 Pin (http://www.ti.com/lit/ds/symlink/ts3l501e.pdf#page=23), generated with kicad-footprint-generator Net tie, 4 pin, 0.3mm round THT pads Net.